Power Systems A buchholz relay is used for protection of a transformer against all internal faults nether 1 nor 2 both 1 and 2 protection of a transformer against all external faults protection of a transformer against all internal faults nether 1 nor 2 both 1 and 2 protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? Zs*√(1 + Kcsh) √(1 + Kcsh)/Zs Zs/√(1 + Kcsh) All of these Zs*√(1 + Kcsh) √(1 + Kcsh)/Zs Zs/√(1 + Kcsh) All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 56 %. 14 %. None of above 28 %. 56 %. 14 %. None of above 28 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Tidal. Wind. Solar. Geothermal. Tidal. Wind. Solar. Geothermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear reactors usually employ fission. both of A and B. fusion. none of above. fission. both of A and B. fusion. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Steam power plant. Hydro power plant. Nuclear power plant. Diesel power plant. Steam power plant. Hydro power plant. Nuclear power plant. Diesel power plant. ANSWER DOWNLOAD EXAMIANS APP
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